source4/scripting/python/samba/netcmd/drs.py

   1 #!/usr/bin/env python
   2 #
   3 # implement samba_tool drs commands
   4 #
   5 # Copyright Andrew Tridgell 2010
   6 # Copyright Giampaolo Lauria 2011 <lauria2@yahoo.com>
   7 #
   8 # based on C implementation by Kamen Mazdrashki <kamen.mazdrashki@postpath.com>
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 3 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 #
  23
  24 import samba.getopt as options
  25 import ldb
  26
  27 from samba.auth import system_session
  28 from samba.netcmd import (
  29     Command,
  30     CommandError,
  31     Option,
  32     SuperCommand,
  33     )
  34 from samba.samdb import SamDB
  35 from samba import drs_utils, nttime2string, dsdb
  36 from samba.dcerpc import drsuapi, misc
  37 import common
  38
  39 def drsuapi_connect(ctx):
  40     '''make a DRSUAPI connection to the server'''
  41     try:
  42         (ctx.drsuapi, ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drsuapi_connect(ctx.server, ctx.lp, ctx.creds)
  43     except Exception, e:
  44         raise CommandError("DRS connection to %s failed" % ctx.server, e)
  45
  46 def samdb_connect(ctx):
  47     '''make a ldap connection to the server'''
  48     try:
  49         ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
  50                           session_info=system_session(),
  51                           credentials=ctx.creds, lp=ctx.lp)
  52     except Exception, e:
  53         raise CommandError("LDAP connection to %s failed" % ctx.server, e)
  54
  55 def drs_errmsg(werr):
  56     '''return "was successful" or an error string'''
  57     (ecode, estring) = werr
  58     if ecode == 0:
  59         return "was successful"
  60     return "failed, result %u (%s)" % (ecode, estring)
  61
  62
  63
  64 def attr_default(msg, attrname, default):
  65     '''get an attribute from a ldap msg with a default'''
  66     if attrname in msg:
  67         return msg[attrname][0]
  68     return default
  69
  70
  71
  72 def drs_parse_ntds_dn(ntds_dn):
  73     '''parse a NTDS DN returning a site and server'''
  74     a = ntds_dn.split(',')
  75     if a[0] != "CN=NTDS Settings" or a[2] != "CN=Servers" or a[4] != 'CN=Sites':
  76         raise RuntimeError("bad NTDS DN %s" % ntds_dn)
  77     server = a[1].split('=')[1]
  78     site   = a[3].split('=')[1]
  79     return (site, server)
  80
  81
  82
  83
  84
  85 class cmd_drs_showrepl(Command):
  86     """show replication status"""
  87
  88     synopsis = "%prog [<DC>] [options]"
  89
  90     takes_args = ["DC?"]
  91
  92     def print_neighbour(self, n):
  93         '''print one set of neighbour information'''
  94         self.message("%s" % n.naming_context_dn)
  95         try:
  96             (site, server) = drs_parse_ntds_dn(n.source_dsa_obj_dn)
  97             self.message("\t%s\%s via RPC" % (site, server))
  98         except RuntimeError:
  99             self.message("\tNTDS DN: %s" % n.source_dsa_obj_dn)
 100         self.message("\t\tDSA object GUID: %s" % n.source_dsa_obj_guid)
 101         self.message("\t\tLast attempt @ %s %s" % (nttime2string(n.last_attempt),
 102                                                    drs_errmsg(n.result_last_attempt)))
 103         self.message("\t\t%u consecutive failure(s)." % n.consecutive_sync_failures)
 104         self.message("\t\tLast success @ %s" % nttime2string(n.last_success))
 105         self.message("")
 106
 107     def drsuapi_ReplicaInfo(ctx, info_type):
 108         '''call a DsReplicaInfo'''
 109
 110         req1 = drsuapi.DsReplicaGetInfoRequest1()
 111         req1.info_type = info_type
 112         try:
 113             (info_type, info) = ctx.drsuapi.DsReplicaGetInfo(ctx.drsuapi_handle, 1, req1)
 114         except Exception, e:
 115             raise CommandError("DsReplicaGetInfo of type %u failed" % info_type, e)
 116         return (info_type, info)
 117
 118     def run(self, DC=None, sambaopts=None,
 119             credopts=None, versionopts=None, server=None):
 120
 121         self.lp = sambaopts.get_loadparm()
 122         if DC is None:
 123             DC = common.netcmd_dnsname(self.lp)
 124         self.server = DC
 125         self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
 126
 127         drsuapi_connect(self)
 128         samdb_connect(self)
 129
 130         # show domain information
 131         ntds_dn = self.samdb.get_dsServiceName()
 132         server_dns = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])[0]['dnsHostName'][0]
 133
 134         (site, server) = drs_parse_ntds_dn(ntds_dn)
 135         try:
 136             ntds = self.samdb.search(base=ntds_dn, scope=ldb.SCOPE_BASE, attrs=['options', 'objectGUID', 'invocationId'])
 137         except Exception, e:
 138             raise CommandError("Failed to search NTDS DN %s" % ntds_dn)
 139         conn = self.samdb.search(base=ntds_dn, expression="(objectClass=nTDSConnection)")
 140
 141         self.message("%s\\%s" % (site, server))
 142         self.message("DSA Options: 0x%08x" % int(attr_default(ntds[0], "options", 0)))
 143         self.message("DSA object GUID: %s" % self.samdb.schema_format_value("objectGUID", ntds[0]["objectGUID"][0]))
 144         self.message("DSA invocationId: %s\n" % self.samdb.schema_format_value("objectGUID", ntds[0]["invocationId"][0]))
 145
 146         self.message("==== INBOUND NEIGHBORS ====\n")
 147         (info_type, info) = self.drsuapi_ReplicaInfo(drsuapi.DRSUAPI_DS_REPLICA_INFO_NEIGHBORS)
 148         for n in info.array:
 149             self.print_neighbour(n)
 150
 151
 152         self.message("==== OUTBOUND NEIGHBORS ====\n")
 153         (info_type, info) = self.drsuapi_ReplicaInfo(drsuapi.DRSUAPI_DS_REPLICA_INFO_REPSTO)
 154         for n in info.array:
 155             self.print_neighbour(n)
 156
 157         reasons = ['NTDSCONN_KCC_GC_TOPOLOGY',
 158                    'NTDSCONN_KCC_RING_TOPOLOGY',
 159                    'NTDSCONN_KCC_MINIMIZE_HOPS_TOPOLOGY',
 160                    'NTDSCONN_KCC_STALE_SERVERS_TOPOLOGY',
 161                    'NTDSCONN_KCC_OSCILLATING_CONNECTION_TOPOLOGY',
 162                    'NTDSCONN_KCC_INTERSITE_GC_TOPOLOGY',
 163                    'NTDSCONN_KCC_INTERSITE_TOPOLOGY',
 164                    'NTDSCONN_KCC_SERVER_FAILOVER_TOPOLOGY',
 165                    'NTDSCONN_KCC_SITE_FAILOVER_TOPOLOGY',
 166                    'NTDSCONN_KCC_REDUNDANT_SERVER_TOPOLOGY']
 167
 168         self.message("==== KCC CONNECTION OBJECTS ====\n")
 169         for c in conn:
 170             self.message("Connection --")
 171             self.message("\tConnection name: %s" % c['name'][0])
 172             self.message("\tEnabled        : %s" % attr_default(c, 'enabledConnection', 'TRUE'))
 173             self.message("\tServer DNS name : %s" % server_dns)
 174             self.message("\tServer DN name  : %s" % c['fromServer'][0])
 175             self.message("\t\tTransportType: RPC")
 176             self.message("\t\toptions: 0x%08X" % int(attr_default(c, 'options', 0)))
 177             if not 'mS-DS-ReplicatesNCReason' in c:
 178                 self.message("Warning: No NC replicated for Connection!")
 179                 continue
 180             for r in c['mS-DS-ReplicatesNCReason']:
 181                 a = str(r).split(':')
 182                 self.message("\t\tReplicatesNC: %s" % a[3])
 183                 self.message("\t\tReason: 0x%08x" % int(a[2]))
 184                 for s in reasons:
 185                     if getattr(dsdb, s, 0) & int(a[2]):
 186                         self.message("\t\t\t%s" % s)
 187
 188
 189
 190 class cmd_drs_kcc(Command):
 191     """trigger knowledge consistency center run"""
 192
 193     synopsis = "%prog [<DC>] [options]"
 194
 195     takes_args = ["DC?"]
 196
 197     def run(self, DC=None, sambaopts=None,
 198             credopts=None, versionopts=None, server=None):
 199
 200         self.lp = sambaopts.get_loadparm()
 201         if DC is None:
 202             DC = common.netcmd_dnsname(self.lp)
 203         self.server = DC
 204
 205         self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
 206
 207         drsuapi_connect(self)
 208
 209         req1 = drsuapi.DsExecuteKCC1()
 210         try:
 211             self.drsuapi.DsExecuteKCC(self.drsuapi_handle, 1, req1)
 212         except Exception, e:
 213             raise CommandError("DsExecuteKCC failed", e)
 214         self.message("Consistency check on %s successful." % DC)
 215
 216
 217
 218 def drs_local_replicate(self, SOURCE_DC, NC):
 219     '''replicate from a source DC to the local SAM'''
 220
 221     self.server = SOURCE_DC
 222     drsuapi_connect(self)
 223
 224     self.local_samdb = SamDB(session_info=system_session(), url=None,
 225                              credentials=self.creds, lp=self.lp)
 226
 227     self.samdb = SamDB(url="ldap://%s" % self.server,
 228                        session_info=system_session(),
 229                        credentials=self.creds, lp=self.lp)
 230
 231     # work out the source and destination GUIDs
 232     res = self.local_samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
 233     self.ntds_dn = res[0]["dsServiceName"][0]
 234
 235     res = self.local_samdb.search(base=self.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
 236     self.ntds_guid = misc.GUID(self.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
 237
 238
 239     source_dsa_invocation_id = misc.GUID(self.samdb.get_invocation_id())
 240     destination_dsa_guid = self.ntds_guid
 241
 242     self.samdb.transaction_start()
 243     repl = drs_utils.drs_Replicate("ncacn_ip_tcp:%s[seal]" % self.server, self.lp,
 244                                    self.creds, self.local_samdb)
 245     try:
 246         repl.replicate(NC, source_dsa_invocation_id, destination_dsa_guid)
 247     except Exception, e:
 248         raise CommandError("Error replicating DN %s" % NC, e)
 249     self.samdb.transaction_commit()
 250
 251
 252
 253 class cmd_drs_replicate(Command):
 254     """replicate a naming context between two DCs"""
 255
 256     synopsis = "%prog <destinationDC> <sourceDC> <NC> [options]"
 257
 258     takes_args = ["DEST_DC", "SOURCE_DC", "NC"]
 259
 260     takes_options = [
 261         Option("--add-ref", help="use ADD_REF to add to repsTo on source", action="store_true"),
 262         Option("--sync-forced", help="use SYNC_FORCED to force inbound replication", action="store_true"),
 263         Option("--sync-all", help="use SYNC_ALL to replicate from all DCs", action="store_true"),
 264         Option("--full-sync", help="resync all objects", action="store_true"),
 265         Option("--local", help="pull changes directly into the local database (destination DC is ignored)", action="store_true"),
 266         ]
 267
 268     def run(self, DEST_DC, SOURCE_DC, NC,
 269             add_ref=False, sync_forced=False, sync_all=False, full_sync=False,
 270             local=False, sambaopts=None, credopts=None, versionopts=None, server=None):
 271
 272         self.server = DEST_DC
 273         self.lp = sambaopts.get_loadparm()
 274
 275         self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
 276
 277         if local:
 278             drs_local_replicate(self, SOURCE_DC, NC)
 279             return
 280
 281         drsuapi_connect(self)
 282         samdb_connect(self)
 283
 284         # we need to find the NTDS GUID of the source DC
 285         msg = self.samdb.search(base=self.samdb.get_config_basedn(),
 286                                 expression="(&(objectCategory=server)(|(name=%s)(dNSHostName=%s)))" % (
 287             ldb.binary_encode(SOURCE_DC),
 288             ldb.binary_encode(SOURCE_DC)),
 289                                 attrs=[])
 290         if len(msg) == 0:
 291             raise CommandError("Failed to find source DC %s" % SOURCE_DC)
 292         server_dn = msg[0]['dn']
 293
 294         msg = self.samdb.search(base=server_dn, scope=ldb.SCOPE_ONELEVEL,
 295                                 expression="(|(objectCategory=nTDSDSA)(objectCategory=nTDSDSARO))",
 296                                 attrs=['objectGUID', 'options'])
 297         if len(msg) == 0:
 298             raise CommandError("Failed to find source NTDS DN %s" % SOURCE_DC)
 299         source_dsa_guid = msg[0]['objectGUID'][0]
 300         dsa_options = int(attr_default(msg, 'options', 0))
 301
 302
 303         req_options = 0
 304         if not (dsa_options & dsdb.DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL):
 305             req_options |= drsuapi.DRSUAPI_DRS_WRIT_REP
 306         if add_ref:
 307             req_options |= drsuapi.DRSUAPI_DRS_ADD_REF
 308         if sync_forced:
 309             req_options |= drsuapi.DRSUAPI_DRS_SYNC_FORCED
 310         if sync_all:
 311             req_options |= drsuapi.DRSUAPI_DRS_SYNC_ALL
 312         if full_sync:
 313             req_options |= drsuapi.DRSUAPI_DRS_FULL_SYNC_NOW
 314
 315         try:
 316             drs_utils.sendDsReplicaSync(self.drsuapi, self.drsuapi_handle, source_dsa_guid, NC, req_options)
 317         except drs_utils.drsException, estr:
 318             raise CommandError("DsReplicaSync failed", estr)
 319         self.message("Replicate from %s to %s was successful." % (SOURCE_DC, DEST_DC))
 320
 321
 322
 323 class cmd_drs_bind(Command):
 324     """show DRS capabilities of a server"""
 325
 326     synopsis = "%prog [<DC>] [options]"
 327
 328     takes_args = ["DC?"]
 329
 330     def run(self, DC=None, sambaopts=None,
 331             credopts=None, versionopts=None, server=None):
 332
 333         self.lp = sambaopts.get_loadparm()
 334         if DC is None:
 335             DC = common.netcmd_dnsname(self.lp)
 336         self.server = DC
 337         self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
 338
 339         drsuapi_connect(self)
 340         samdb_connect(self)
 341
 342         bind_info = drsuapi.DsBindInfoCtr()
 343         bind_info.length = 28
 344         bind_info.info = drsuapi.DsBindInfo28()
 345         (info, handle) = self.drsuapi.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID), bind_info)
 346
 347         optmap = [
 348             ("DRSUAPI_SUPPORTED_EXTENSION_BASE",     "DRS_EXT_BASE"),
 349             ("DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION",   "DRS_EXT_ASYNCREPL"),
 350             ("DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI",    "DRS_EXT_REMOVEAPI"),
 351             ("DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2",   "DRS_EXT_MOVEREQ_V2"),
 352             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS",   "DRS_EXT_GETCHG_DEFLATE"),
 353             ("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1",    "DRS_EXT_DCINFO_V1"),
 354             ("DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION",   "DRS_EXT_RESTORE_USN_OPTIMIZATION"),
 355             ("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY",    "DRS_EXT_ADDENTRY"),
 356             ("DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE",   "DRS_EXT_KCC_EXECUTE"),
 357             ("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2",   "DRS_EXT_ADDENTRY_V2"),
 358             ("DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION",   "DRS_EXT_LINKED_VALUE_REPLICATION"),
 359             ("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2",    "DRS_EXT_DCINFO_V2"),
 360             ("DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD","DRS_EXT_INSTANCE_TYPE_NOT_REQ_ON_MOD"),
 361             ("DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND",   "DRS_EXT_CRYPTO_BIND"),
 362             ("DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO",   "DRS_EXT_GET_REPL_INFO"),
 363             ("DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION",   "DRS_EXT_STRONG_ENCRYPTION"),
 364             ("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01",   "DRS_EXT_DCINFO_VFFFFFFFF"),
 365             ("DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP",  "DRS_EXT_TRANSITIVE_MEMBERSHIP"),
 366             ("DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY",   "DRS_EXT_ADD_SID_HISTORY"),
 367             ("DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3",   "DRS_EXT_POST_BETA3"),
 368             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V5",   "DRS_EXT_GETCHGREQ_V5"),
 369             ("DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2",   "DRS_EXT_GETMEMBERSHIPS2"),
 370             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6",   "DRS_EXT_GETCHGREQ_V6"),
 371             ("DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS",   "DRS_EXT_NONDOMAIN_NCS"),
 372             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8",   "DRS_EXT_GETCHGREQ_V8"),
 373             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5",   "DRS_EXT_GETCHGREPLY_V5"),
 374             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6",   "DRS_EXT_GETCHGREPLY_V6"),
 375             ("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3",   "DRS_EXT_WHISTLER_BETA3"),
 376             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7",   "DRS_EXT_WHISTLER_BETA3"),
 377             ("DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT",   "DRS_EXT_WHISTLER_BETA3"),
 378             ("DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS",   "DRS_EXT_W2K3_DEFLATE"),
 379             ("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V10",   "DRS_EXT_GETCHGREQ_V10"),
 380             ("DRSUAPI_SUPPORTED_EXTENSION_RESERVED_PART2",   "DRS_EXT_RESERVED_FOR_WIN2K_OR_DOTNET_PART2"),
 381             ("DRSUAPI_SUPPORTED_EXTENSION_RESERVED_PART3", "DRS_EXT_RESERVED_FOR_WIN2K_OR_DOTNET_PART3")
 382             ]
 383
 384         optmap_ext = [
 385             ("DRSUAPI_SUPPORTED_EXTENSION_ADAM", "DRS_EXT_ADAM"),
 386             ("DRSUAPI_SUPPORTED_EXTENSION_LH_BETA2", "DRS_EXT_LH_BETA2"),
 387             ("DRSUAPI_SUPPORTED_EXTENSION_RECYCLE_BIN", "DRS_EXT_RECYCLE_BIN")]
 388
 389         self.message("Bind to %s succeeded." % DC)
 390         self.message("Extensions supported:")
 391         for (opt, str) in optmap:
 392             optval = getattr(drsuapi, opt, 0)
 393             if info.info.supported_extensions & optval:
 394                 yesno = "Yes"
 395             else:
 396                 yesno = "No "
 397             self.message("  %-60s: %s (%s)" % (opt, yesno, str))
 398
 399         if isinstance(info.info, drsuapi.DsBindInfo48):
 400             self.message("\nExtended Extensions supported:")
 401             for (opt, str) in optmap_ext:
 402                 optval = getattr(drsuapi, opt, 0)
 403                 if info.info.supported_extensions_ext & optval:
 404                     yesno = "Yes"
 405                 else:
 406                     yesno = "No "
 407                 self.message("  %-60s: %s (%s)" % (opt, yesno, str))
 408
 409         self.message("\nSite GUID: %s" % info.info.site_guid)
 410         self.message("Repl epoch: %u" % info.info.repl_epoch)
 411         if isinstance(info.info, drsuapi.DsBindInfo48):
 412             self.message("Forest GUID: %s" % info.info.config_dn_guid)
 413
 414
 415
 416 class cmd_drs_options(Command):
 417     """query or change 'options' for NTDS Settings object of a domain controller"""
 418
 419     synopsis = "%prog [<DC>] [options]"
 420
 421     takes_args = ["DC?"]
 422
 423     takes_options = [
 424         Option("--dsa-option", help="DSA option to enable/disable", type="str",
 425                metavar="{+|-}IS_GC | {+|-}DISABLE_INBOUND_REPL | {+|-}DISABLE_OUTBOUND_REPL | {+|-}DISABLE_NTDSCONN_XLATE" ),
 426         ]
 427
 428     option_map = {"IS_GC": 0x00000001,
 429                   "DISABLE_INBOUND_REPL": 0x00000002,
 430                   "DISABLE_OUTBOUND_REPL": 0x00000004,
 431                   "DISABLE_NTDSCONN_XLATE": 0x00000008}
 432
 433     def run(self, DC=None, dsa_option=None,
 434             sambaopts=None, credopts=None, versionopts=None):
 435
 436         self.lp = sambaopts.get_loadparm()
 437         if DC is None:
 438             DC = common.netcmd_dnsname(self.lp)
 439         self.server = DC
 440         self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
 441
 442         samdb_connect(self)
 443
 444         ntds_dn = self.samdb.get_dsServiceName()
 445         res = self.samdb.search(base=ntds_dn, scope=ldb.SCOPE_BASE, attrs=["options"])
 446         dsa_opts = int(res[0]["options"][0])
 447
 448         # print out current DSA options
 449         cur_opts = [x for x in self.option_map if self.option_map[x] & dsa_opts]
 450         self.message("Current DSA options: " + ", ".join(cur_opts))
 451
 452         # modify options
 453         if dsa_option:
 454             if dsa_option[:1] not in ("+", "-"):
 455                 raise CommandError("Unknown option %s" % dsa_option)
 456             flag = dsa_option[1:]
 457             if flag not in self.option_map.keys():
 458                 raise CommandError("Unknown option %s" % dsa_option)
 459             if dsa_option[:1] == "+":
 460                 dsa_opts |= self.option_map[flag]
 461             else:
 462                 dsa_opts &= ~self.option_map[flag]
 463             #save new options
 464             m = ldb.Message()
 465             m.dn = ldb.Dn(self.samdb, ntds_dn)
 466             m["options"]= ldb.MessageElement(str(dsa_opts), ldb.FLAG_MOD_REPLACE, "options")
 467             self.samdb.modify(m)
 468             # print out new DSA options
 469             cur_opts = [x for x in self.option_map if self.option_map[x] & dsa_opts]
 470             self.message("New DSA options: " + ", ".join(cur_opts))
 471
 472
 473 class cmd_drs(SuperCommand):
 474     """Directory Replication Services (DRS) management"""
 475
 476     subcommands = {}
 477     subcommands["bind"] = cmd_drs_bind()
 478     subcommands["kcc"] = cmd_drs_kcc()
 479     subcommands["replicate"] = cmd_drs_replicate()
 480     subcommands["showrepl"] = cmd_drs_showrepl()
 481     subcommands["options"] = cmd_drs_options()